Fix _q to _m time conversion. (#55)

MImmesberger · web-flow · commit 755304bcde92 · 2025-09-15T09:50:31.000+02:00
### What problem do you want to solve?

The _q to _m automatic time conversion (and the corresponding test) was
incorrect. This PR fixes that.
diff --git a/src/ttsim/interface_dag_elements/automatically_added_functions.py b/src/ttsim/interface_dag_elements/automatically_added_functions.py
@@ -155,7 +155,7 @@ def q_to_m(value: float) -> float:
     -------
     Monthly value.
     """
-    return value * _M_PER_Y / _Q_PER_Y
+    return value * _Q_PER_Y / _M_PER_Y
 
 
 def q_to_w(value: float) -> float:
diff --git a/tests/interface_dag_elements/test_automatically_added_functions.py b/tests/interface_dag_elements/test_automatically_added_functions.py
@@ -103,7 +103,7 @@ def test_q_to_y(quarterly_value: float, yearly_value: float) -> None:
     ("quarterly_value", "monthly_value"),
     [
         (0, 0),
-        (1, 3),
+        (3, 1),
     ],
 )
 def test_q_to_m(quarterly_value: float, monthly_value: float) -> None:

Original file line number	Diff line number	Diff line change
`@@ -103,7 +103,7 @@ def test_q_to_y(quarterly_value: float, yearly_value: float) -> None:`
`103`	`103`	`("quarterly_value", "monthly_value"),`
`104`	`104`	`[`
`105`	`105`	`(0, 0),`
`106`		`- (1, 3),`
	`106`	`+ (3, 1),`
`107`	`107`	`],`
`108`	`108`	`)`
`109`	`109`	`def test_q_to_m(quarterly_value: float, monthly_value: float) -> None:`